Table 1.

Demographic information and group differences.

	IGD N = 30	RGU N = 40	T	p
Age (Mean ± SD)	21.07 ± 1.34	21.45 ± 1.32	-1.20	0.236
BDI score (Mean ± SD)	2.23 ± 0.82	2.05 ± 0.85	0.91	0.366
Years of education (Mean ± SD)	15.23 ± 2.33	15.78 ± 1.37	-1.14	0.262
IAT score (Mean ± SD)	65.30 ± 11.68	41.35 ± 10.19	9.14	0.000***
DSM-5 score (Mean ± SD)	5.80 ± 1.10	2.63 ± 1.37	10.42	0.000***
Years playing online games (Mean ± SD)	3.50 ± 1.07	3.34 ± 0.96	0.67	0.509
Game playing per week (Hours; Mean ± SD)	18.90 ± 9.13	20.13 ± 9.57	-0.97	0.334

IGD, Internet gaming disorder; RGU, recreational Internet game users; BDI, Beck Depression Inventory; IAT, Internet addiction test; ^∗∗∗p < 0.001.